Hi Tony and Marvin
with dressage the backround is VERY difficult to control
The arenas are set up adjoining so for the most part can only be photographed from the end or near to
the sun dictates the best side
the test being ridden has a limited amount of movements to photograph
and these must be towards you
I do use colour replacement to make the colour of cars or people jackets less distracting
And for Marvin a few more
Just Kidding
last one from a recent dog show
I was quite happy with the quality of the dressage shots as I used the Kenko 1.4 TC
on my 200-400VR
cheers